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dotfiles/.config/nvim/lua/custom/completion.lua

100 lines
3.2 KiB
Lua

require('custom.snippets.lua')
local luasnip = require('luasnip')
local cmp = require('cmp')
-- Enable paretheses for function completions
cmp.event:on('confirm_done', require('nvim-autopairs.completion.cmp').on_confirm_done())
-- Helper functions
local function tab(is_forward)
cmp.mapping(function(fallback)
local jump_amount = is_forward and 1 or -1
if cmp.visible() then
local behaviour = cmp.SelectBehavior.Select
local select_item = is_forward and cmp.select_next_item or cmp.select_prev_item
select_item({ behaviour = behaviour })
elseif luasnip.locally_jumpable(jump_amount) then
luasnip.jump(jump_amount)
else
fallback()
end
end, { 'i', 's' })
end
local function enter() end
local function is_enabled()
local context = require('cmp.config.context')
local is_in_comment = context.in_treesitter_capture('comment') or context.in_syntax_group('Comment')
if is_in_comment then
return false
end
return true
end
cmp.setup({
enabled = is_enabled,
completion = { completeopt = 'menu,menuone,noinsert' },
sources = cmp.config.sources({
{ name = 'nvim_lsp' },
{ name = 'luasnip' },
{ name = 'lazydev', group_index = 0 }, -- for lazydev.nvim
{ name = 'path' }, -- for filesystem
}),
snippet = {
expand = function(args)
luasnip.lsp_expand(args.body)
end,
},
window = {
-- TODO: Decide if I like borders or not
completion = cmp.config.window.bordered(),
documentation = cmp.config.window.bordered(),
},
mapping = cmp.mapping.preset.insert({
-- TODO: Make good keybindings
['<Tab>'] = tab(true),
['<S-Tab>'] = tab(false),
['<CR>'] = cmp.mapping(function(fallback)
if cmp.visible() then
if luasnip.expandable() then
luasnip.expand()
else
cmp.confirm({ select = true })
end
else
fallback()
end
end),
-- NOTE: Select makes it so it doesn't put the text in the buffer (like Insert or defualt does)
-- Ex: typing "p" and then select "private" will not write "private" in your buffer, but keep it "p"
-- Only after accepting the suggestion then it'll become "private"
['<C-n>'] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Select }),
['<C-p>'] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Select }),
['<CR>'] = cmp.mapping(
cmp.mapping.confirm({ select = true, behavior = cmp.ConfirmBehavior.Insert }),
{ 'i', 'c' }
),
['<C-Space>'] = cmp.mapping.complete(), -- invoke completion
['<C-u>'] = cmp.mapping.scroll_docs(-4),
['<C-d>'] = cmp.mapping.scroll_docs(4),
-- ['<C-k>'] = cmp.mapping.abort(),
-- ['<CR>'] = cmp.mapping.confirm({ select = true }),
-- ['<C-y>'] = cmp.mapping(
-- cmp.mapping.confirm({
-- behavior = cmp.ConfirmBehavior.Insert,
-- select = true,
-- }),
-- { 'i', 'c' }
-- ),
}),
})
print('Sourced lsp.lua')